42265296 has 90 divisors (see below), whose sum is σ = 122854550. Its totient is φ = 13563648.

The previous prime is 42265273. The next prime is 42265309. The reversal of 42265296 is 69256224.

It can be written as a sum of positive squares in 3 ways, for example, as 11128896 + 31136400 = 3336^2 + 5580^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 42265296.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 120930 + ... + 121278.

Almost surely, 2^42265296 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42265296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61427275).

42265296 is an abundant number, since it is smaller than the sum of its proper divisors (80589254).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42265296 is a wasteful number, since it uses less digits than its factorization.

42265296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421 (or 383 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 42265296 is about 6501.1765089098. The cubic root of 42265296 is about 348.3330145573. Note that the first 3 decimals are identical.

The spelling of 42265296 in words is "forty-two million, two hundred sixty-five thousand, two hundred ninety-six".